FURVERT!

4_toes animal_genitalia animal_penis arh arms_tied back_groove bdsm big_penis black_eyes black_nose black_pawpads blush bodily_fluids bondage bound canid canine canine_genitalia canine_penis dipstick_tail dripping erection feet fluffy fluffy_tail fox frogtied front_view fur genital_fluids genitals grey_body grey_fur grey_hair grey_tail hair hands_behind_back kneeling knot legs_tied male male_taur mammal markings nude pawpads penis precum red_knot red_penis red_rope restrained restraints rope rope_bondage saddle slim slim_male slim_sub slim_taur snout solo submissive submissive_male tail tail_markings taur teeth three-quarter_view tied_down toes two_tone_tail umbralfox ventral_groove white_tail yellow_sclera